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Make SIP INFO messages for dtmf-relay signals case insensitive.

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(closes issue ASTERISK-18924)
Reported by: Kevin Taylor


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@347292 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Richard Mudgett
2011-12-06 23:47:50 +00:00
parent 36e73e9b7c
commit dc8125726e
1 changed files with 26 additions and 11 deletions
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37
channels/chan_sip.c
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@@ -10683,14 +10683,20 @@ static int add_digit(struct sip_request *req, char digit, unsigned int duration,
int event;
if (mode) {
/* Application/dtmf short version used by some implementations */
if (digit == '*')
if ('0' <= digit && digit <= '9') {
event = digit - '0';
} else if (digit == '*') {
event = 10;
else if (digit == '#')
} else if (digit == '#') {
event = 11;
else if ((digit >= 'A') && (digit <= 'D'))
} else if ('A' <= digit && digit <= 'D') {
event = 12 + digit - 'A';
else
event = atoi(&digit);
} else if ('a' <= digit && digit <= 'd') {
event = 12 + digit - 'a';
} else {
/* Unknown digit */
event = 0;
}
snprintf(tmp, sizeof(tmp), "%d\r\n", event);
add_header(req, "Content-Type", "application/dtmf");
add_content(req, tmp);
@@ -18537,16 +18543,22 @@ static void handle_request_info(struct sip_pvt *p, struct sip_request *req)
return;
}
if (buf[0] == '*')
if ('0' <= buf[0] && buf[0] <= '9') {
event = buf[0] - '0';
} else if (buf[0] == '*') {
event = 10;
else if (buf[0] == '#')
} else if (buf[0] == '#') {
event = 11;
else if ((buf[0] >= 'A') && (buf[0] <= 'D'))
} else if ('A' <= buf[0] && buf[0] <= 'D') {
event = 12 + buf[0] - 'A';
else if (buf[0] == '!')
} else if ('a' <= buf[0] && buf[0] <= 'd') {
event = 12 + buf[0] - 'a';
} else if (buf[0] == '!') {
event = 16;
else
event = atoi(buf);
} else {
/* Unknown digit */
event = 0;
}
if (event == 16) {
/* send a FLASH event */
struct ast_frame f = { AST_FRAME_CONTROL, { AST_CONTROL_FLASH, } };
@@ -18607,6 +18619,9 @@ static void handle_request_info(struct sip_pvt *p, struct sip_request *req)
f.subclass.integer = '#';
} else if (event < 16) {
f.subclass.integer = 'A' + (event - 12);
} else {
/* Unknown digit. */
f.subclass.integer = '0';
}
f.len = duration;
ast_queue_frame(p->owner, &f);